Home / 1,397,270.70-2,095,906.05-972,117.90

Finding the Fourth Proportional to 1,397,270.70, 2,095,906.05 and 972,117.90

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Solution

The fourth proportional to 1,397,270.70, 2,095,906.05 and 972,117.90 is: 1,458,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,270.70 : 2,095,906.05 = 972,117.90 : x
  2. Step 2: Convert to fraction form
    1,397,270.70/2,095,906.05 = 972,117.90/x
  3. Step 3: Cross multiply
    1,397,270.70x = 2,095,906.05 × 972,117.90
  4. Step 4: Simplify right side
    1,397,270.70x = 2,037,467,787,923.30
  5. Step 5: Solve for x
    x = 2,037,467,787,923.30/1,397,270.70
  6. Step 6: Final answer
    x = 1,458,176.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.